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Page file should normally be left at automatic. However if you are concerned about space, the biggest it should get is 3 x memory, or 36GB.
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Page file should normally be left at automatic. However if you are concerned about space, the biggest it should get is 3 x memory, or 36GB.

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Depends on the version of Windows and some other factors like crash dump settings <br />
Have a look at the following article to determine the correct minimum and maximum size <br />
<a href="https://support.microsoft.com/en-us/help/2860880/how-to-determine-the-appropriate-page-file-size-for-64-bit-versions-of" rel="ugc">How to determine the appropriate page file size for 64-bit versions of Windows</a>
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Depends on the version of Windows and some other factors like crash dump settings
Have a look at the following article to determine the correct minimum and maximum size
How to determine the appropriate page file size for 64-bit versions of Windows [https://support.microsoft.com/en-us/help/2860880/how-to-determine-the-appropriate-page-file-size-for-64-bit-versions-of]

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<a href="https://technet.microsoft.com/en-us/library/dd346700(v=exchg.141).aspx" rel="ugc">This</a> recommendation would more accurate.
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This [https://technet.microsoft.com/en-us/library/dd346700(v=exchg.141).aspx] recommendation would more accurate.

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Actually Ronin, the question is about page file size. That page you linked is about recommended memory size for Exchange server.
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Actually Ronin, the question is about page file size. That page you linked is about recommended memory size for Exchange server.

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Pramod1, what versions of Exchange and Windows are you using in this situation?
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Pramod1, what versions of Exchange and Windows are you using in this situation?

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exchange 2010 sp3 and windows server 2008 sp2
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exchange 2010 sp3 and windows server 2008 sp2

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<div class="content wysiwyg-content">
we are increasing memory of exchange servers from 8gb to 16gb<br />
<br />
how much and where should I change the page file configuration <br />
for 16gb , how much will be page file ?
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we are increasing memory of exchange servers from 8gb to 16gb

how much and where should I change the page file configuration 
for 16gb , how much will be page file ?

exchange

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.